This is a computer speaker set that comes with a patented technology. It boasts a built-in rechargeable lithium battery with a protected circuit. Featuring a compact design, this computer speaker set is easy to keep in a pocket. It is an ideal choice for your journey.
Applicable devices: MP3 players, MP4 players, laptop computers, personal computers, MD players, mobile phones, etc.

• Built-in magnet.
• 3.5mm audio plug.
• Rechargeable via the USB port.
• Operation hours: more than 4 hours.
• 2.0 audio tracks with powerful volume.